The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 04, 2000
Filed:
Nov. 12, 1998
Applicant:
Inventors:
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Primary Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
204284 ; 429 40 ; 429 41 ; 429 42 ;
Abstract
A gas diffusion electrode comprising a non-woven network of fibers, one or more catalysts components and at least one polymeric substance characterised in that the catalyst is embedded within the fiber network is disclosed.